Re: NOAA-13 question (and other things)

ralf.vandebergh@home.nl

Thanks Ed, that's the 2004 message I referred too but forgot to link it.
Thanks for the additional information.

Ralf

----- Original Message ----- 
From: "Ed Cannon" <edcannonsat@yahoo.com>
To: "post seesat" <SeeSat-L@satobs.org>
Sent: Saturday, July 17, 2010 10:38 AM
Subject: re: NOAA-13 question (and other things)

> Here's a message in which I reported on NOAA
> 13 (93-050A, 22739) back in August 2004:
> 
> http://www.satobs.org/seesat/Aug-2004/0174.html
> 
> Below are my times for NOAA 13 for 15 July UTC.
> Note that by #57 it was behaving such that I
> could only reliably see two of the four flashes,
> and by the end only two were visible at all.  
> None of the flashes was very bright on this 
> pass.
> 
> 48   ____     2:19:22.34 (4:59:22.34 UTC)
> 49   1.78          24.12
> 50   1.75          25.87
> 51   1.56          27.43
> 52   1.72          29.15
> 53   1.93          31.08  
> 54   1.60          32.68
> 55   1.59          34.27
> 56   1.68          35.95
> 57   5.16          41.11  
> 58   1.87          42.98
> 59   4.98          47.96
> 60   1.79          49.75
> 61   5.21          54.96
> 62   1.69          56.65
> 63   4.97     2:20:01.62
> 64   1.76           3.38
> 65   5.13           8.51
> 66   1.78          10.29
> 67   5.03          15.32
> 68   1.76          17.08
> 69   5.13          22.21
> 70   1.78          23.99
> 71   5.04          29.03
> 72   1.88          30.91
> 73   4.96          35.87
> 74   1.75          37.62
> 75   5.13          42.75
> 76   1.71          44.46  (5:00:44.46 UTC)
> 
> The night before, it was doing more of a
> flash-flash-flash-miss pattern, but I lost
> my times for that one (mistaken button 
> click on the stopwatch).  
> 
> So much time has elapsed and I've changed
> computers enough that I can't remember how
> I used to do PPAS reports, except that I 
> used some neat little software program to 
> enter them.
> 
> Regarding other neat flashers, for any who
> may not yet be aware, if you like EGP and
> USA 32 and USA 81, then you should have a
> look at Ume 1 (08709, 76-019A) and Ume 2
> (10675, 78-018B [by the way Spacetrack's
> elements say B is the rocket and A is the
> payload]), if you have not already.  They 
> both sometimes (always?) exhibit spans of 
> regular flashes alternating with very 
> rapid, chaotic flashing, sometimes bright 
> enough to be seen without magnification.  
> 
> Regarding USA 186 -- no wonder Mike and I
> didn't see it Thursday evening!  I thought
> it was just too faint for me with my 8x42
> binocular, but now we know why Mike didn't 
> see it -- it wasn't there.
> 
> One more thing.  Totally by accident I
> stumbled upon a Brazilian satellite 
> tracking website which may be of interest
> to some SeeSat-L members.  If you click 
> the US flag "Track Satellites Worldwide" 
> at the upper left, it's almost all in 
> English, but other parts of it are in 
> Portuguese.  It uses a database of 156 
> objects, which may be the visual.txt file 
> that's hosted on the Celestrak site.  By
> default it tracks ISS.  You can adjust it
> to your location.
> 
> http://www.satview.com.br/
> 
> It has an explanation of the illumination
> of passes that I didn't quite follow.  It
> says:  "SHA - The satellite is in the Earth 
> shadow (or terminator), the line between 
> day and night."  But in a different output
> it also has "SIM" or "NOT" to indicate 
> "yes" or "no" to the satellite being 
> illuminated by the Sun.  It gives passes 
> in shadow because it considers radio 
> observation as well as visual.  
> 
> Ed Cannon - Austin, Texas, USA
> 
> 
> 
>       
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> 

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